Atoms, Molecules, and Water

Question 1

Hydrogen Bond

Answer 1

An intermolecular bond/force between a partially positive hydrogen and a partially negative O, N, or F.

Question 2

Covalent Bond

Answer 2

An intramolecular force between nonmetals in which there is sharing of electrons.

Question 3

Ionic Bond

Answer 3

An intramolecular force between a metal and nonmetal in which electrons are transferred

Question 4

Atoms

Answer 4

The smallest unit of chemistry. Makes up molecules.

Question 5

Molecules

Answer 5

Two or more atoms held together by covalent bonds

Question 6

Element

Answer 6

Any substance that cannot be broken down by chemical reactions

Question 7

Compound

Answer 7

A molecule of two or more atoms. Can be made with different elements.

Question 8

Hydrophilic

Answer 8

Water loving

Question 9

Hydrophobic

Answer 9

(of a molecule) to repel water; Water-Fearing

Question 10

Hydration Shell

Answer 10

The sphere of water molecules around a dissolved ion

Question 11

Solvent

Answer 11

The dissolving agent of a solution

Question 12

Solute

Answer 12

A substance that is dissolved in a solution

Question 13

Solution

Answer 13

A homogenous mixture of two or more substances

Question 14

pH

Answer 14

A measure of hydrogen ion concentration. -log[H+]

Question 15

Buffer

Answer 15

Something that resists a change in pH

Question 16

Hydroxide Ion

Answer 16

OH-
Also a functional group

Question 17

Proton

Answer 17

The particle that gives the nucleus a positive charge. H+